Variation of Condition 1 and 11 of planning permission dated 20 October 2022 (RN: 22/04903/FULL) for the demolition of existing mansard roof and roof level plant and construction of two storey vertical roof addition with extensions at fourth, fifth, sixth and seventh floor levels for additional office (Class B1) floorspace. Use of the lower ground and basement level for flexible/alternative office (Class B1)/retail (Class A1)/leisure uses (Class D2); car parking, cycle parking, ancillary office uses and mechanical plant. Alterations to the existing building including new windows and entrance, new terraces to eighth and tenth floor levels and new plant enclosure at roof level and associated works; and amendments to car parking provision (retention of the public car park), alterations to the cycle parking provision and basement layouts and reduction in flexible commercial floorspace; namely, design modifications to the Carlton House Terrace elevation including an additional entrance, pavement lights, replacement railings and re-alignment of a section of the south facade; alterations to the lower ground floor glazing on the west elevation, a new stairwell and platform lift to roof terrace (level 10), widening of central core to accommodate emergency access and fire-fighting lifts, realignment of level 10 balustrade and alterations to south-west lift overrun and amendment to the wording of Condition 11 to include the word 'pergolas'.

Amendments to planning permission dated 06 July 2022 (RN: 20/06991/FULL) which varied Conditions 1, 11 and 15 of planning permission dated 4 March 2020 (RN: 18/10021/FULL) for, 'Part demolition of, and extensions to, the existing buildings, including a 2 storey roof extension; the refurbishment of the existing and creation of new office (Class B), hotel (Class C1), retail (Class A1 - A5) and Leisure and non-residential institutions (Class D1 - D2) floorspace with ancillary functions; basement refurbishment works; the erection of a 5 storey pavilion on the corner of Piccadilly and Dover Street; Installation of plant at roof level; hard and soft landscaping works as part of an improved public realm offering at Dover Yard and pedestrian route between Dover Street and Berkeley Street, including the creation of additional retail outlets; and other ancillary works' (Site includes 1 - 7 Berkeley Street); Namely, to amend the wording of Condition 10 of the approved planning permission to remove the requirement to provide service uses at basement level.

Variation of condition 1 of planning permission dated 30 May 2022 (RN:22/02156/FULL) for the Variation of condition 1 of planning permission dated 26 May 2021 (RN: 21/01109/FULL) (which varied conditions 1, 6 and 13 and removed conditions 8 and 18 of planning permission dated 11 September 2019 (RN 19/03450/FULL)) for 'Refurbishment and extension of existing building to provide additional B1 (office) floorspace, use of ground floor for retail (Class A1) purposes and Class A3 (cafe/restaurant) purposes and gym (Class D2) at basement level; terraced infilling of central courtyard, creation of roof terraces together with green roofs; reconfiguration and provision of additional plant accommodation at basement and roof level; replacement windows and new entrances together with new shopfronts; new layout at ground level for accessible parking and refuse store; cycle parking and showers and servicing at basement level, to amend the approved drawings to reflect design and technical development changes post planning permission, including alterations to proposed roof plant, removal of green walls and retention and refurbishment of pentagon roof. Namely amendment to layout at floor 8 to extend it and consequential amendment at roof level.

Amendments to planning permission dated 23 February 2022 (RN: 21/07541/FULL) which was in itself an amendment to a previous permission for the 'Erection of infill extension at basement level in order to enlarge existing office (Class B1), use of part ground floor on Mount Street elevation as a shop (Class A1) accessed from existing bay, erection of roof extension to enlarge existing flat (Class C3), insertion of new windows and doors on the north and east elevations, creation of a residential terraces at third floor level and provision of plant within existing vaults'; NAMELY, to change the appearance of the external entrance door into the retail unit at ground floor level, retain a window at basement level and to modify the internal layout from basement to fourth floor level

Amendments to planning permission dated 23 February 2022 (RN: 21/07541/FULL) which was in itself an amendment to a previous permission for the 'Erection of infill extension at basement level in order to enlarge existing office (Class B1), use of part ground floor on Mount Street elevation as a shop (Class A1) accessed from existing bay, erection of roof extension to enlarge existing flat (Class C3), insertion of new windows and doors on the north and east elevations, creation of a residential terraces at third floor level and provision of plant within existing vaults'; NAMELY, to wall mount air condenser units in an enclosure within the front lightwell underneath the external stair along the Balfour Place frontage instead of within the basement vaults.

Use of first floor as office (Class E). Use of part basement and part ground floor as restaurant and or retail purposes (both Class E). Alterations to shopfront along the Marylebone Lane frontage, extension and alterations to the plant enclosure at main roof level and installation of an internally routed kitchen extract duct, WC extracts/fans and two additional risers, all terminating above main roof level.

Variation of Condition 1 (approved drawings) and removal of condition 8 (supplementary acoustic report) of planning permission dated 15 July 2021 (RN: 21/03500/FULL) for, 'Alterations including partial infilling of rear courtyard on basement and ground floors, rear extensions on first to fifth floors and at sixth floor roof extension with plant enclosure, roof terrace and green roof above all to provide additional office accommodation (Class B1); new balconies/terraces at front fourth, fifth and seventh floor levels and rear first, sixth and seventh floor levels. Flexible use of part basement and part ground floor for either retail / office/ gym use (Class A1/ B1/ D2), provision of cycle parking and associated external alterations'; Namely, adjustment and addition of acoustic enclosures and screens associated with external plant on the lower ground floor, first floor and level eight; façade alterations to the refuse store area on Upper John Street; updates to roof terrace design on level one; new external numeral signage to main entrance and to supply a supplementary acoustic report. (Application under Section 73 of the Act).

Alterations and extension to 30 Gloucester Place (including 91 Blandford Street and 112 George Street) including refurbishment of the lower ground, ground and first floors, extension of the lower ground floor; external works including part demolition of facades, ground floor and removal of ramp to create a new a triple arched walkway through the building with canopy, railings, security gates, new steps and ramp to provide level access to the 30 Gloucester Place entrance, a rear elevation connection with the proposed single storey retail units within the courtyard, new ramp and railings to 112 George Street entrance; façade maintenance and refurbishment; painting and repair of the rear elevation; replacement or refurbishment of windows and doors at ground and first floor; replacement railings; installation of two CCTV cameras; removal of the existing roof plant. Internal reconfigurations at basement, ground, first, second, third and roof level, including the reduction of the basement footprint, demolition of the lift machine room, demolition and relocation of the waste chute and lift, re-configuration of the office internal stair core, creation of an office lobby area, improvements to the retail arcade layout, re-configuration of the residential corridor and units at first floor. External alterations including removal of the existing BMU, introduction of a new MEP louvre, demolition of the railings on top of the lightwell, proposed MEP risers, insertion of a new brick screen at roof level to match the existing, windows to be refurbished to match the existing, new proposed windows to parts of the north and south elevation at first floor as a result of the internal reconfigurations. Works to the building, including changes to the East Elevation façade including additional non-openable windows, changes to the layout of the ground floor retail units, refurbishment of the roof.

Amendments to planning permission dated 23rd January 2023 (RN: 22/05428/FULL) for two-storey extension including roof-level plant along the Bressenden Place façade to provide a new office entrance pavilion (Class E), the provision of Class E office / retail accommodation, remodelling of the crown of Portland House and creation of a setback rooftop extension to provide office amenity (Class E) and an outdoor terrace, reconfiguration of the second floor plant accommodation fronting Cardinal Place, relocation of the zephyr on Bressenden Place, provision of cycle parking, public realm and associated works including window replacement and the application of a new façade treatment, namely to amend the wording of Condition 3 (Code of Construction Practice) to enable early works to be carried out in accordance with the Appendix A dated 22/11/22 signed by the Environment Inspectorate and prior to the discharge of Condition 3.

Amendments to planning permission dated 1st October 2021 (RN:20/06914/FULL) for, 'Variation of conditions 1, 31 and 35 of planning permission dated 4 March 2020 (RN 19/06767/FULL) (amended by 20/05397/NMA) which permitted the following development : Demolition of the existing buildings at 19-35 Baker Street, 88-110 George Street, 69-71 Blandford Street and redevelopment to create a mixed use scheme providing commercial uses and up to 51 residential units within a new ground plus nine storey building (and an enclosed plant area) on Baker Street; a new stepped ground plus four to ground plus six storey building on George Street; refurbishment, extension and the change of use of the first floor from office to residential at 30 Gloucester Place; creation of a single storey basement level linking the Baker Street and George Street buildings to provide car and cycle parking, refuse and servicing; creation of a new central, publicly accessible courtyard; removal of 5 trees and replacement trees across the site, a new publicly accessible route at ground level connecting Baker Street and Gloucester Place; associated plant, landscaping, replacement pavements in part and other associated works'. Namely, Works to the building, including changes to the East Elevation façade including additional non-openable windows, changes to the layout of the ground floor retail units, refurbishment of the roof, and other associated works